Controllability of nonlinear delay systems

Differential Equations: Stability, Oscillations, Time Lags

H. A. Antosiewicz, A. Halanay · Mathematics of Computation · 1967 · 1K citations

Natural Sciences, Mathematics, Differential Equations +13

The quadratic problem for systems with time delays

Yogish Alekal, P. Brunovský, D.H. Chyung et al. · IEEE Transactions on Automatic Control · 1971 · 137 citations

Natural Sciences, Mathematics, Dynamical Systems +16

Necessary Conditions for Control Problems with Variable Time Lags

H. T. Banks · SIAM Journal on Control · 1968 · 98 citations

Natural Sciences, Industrial Engineering, Mathematics +17

Nonlinear perturbations of quasi-linear control systems

Jerald P. Dauer · Journal of Mathematical Analysis and Applications · 1976 · 93 citations

Natural Sciences, Mathematics, Systems Engineering +12

Representations for solutions of linear functional differential equations

H. T. Banks · Journal of Differential Equations · 1969 · 53 citations

Natural Sciences, Mathematics, Differential Equations +8